You employ stone, wood and concrete, and with these materials you build
houses and palaces; that is construction. Ingenuity is at work. But suddenly
you touch my heart, you do me good. I am happy and I say: ‘This is
beautiful.’ That is architecture. Art enters in.

Le Corbusier: Vers une architecture, 1923

Some more Kahn




Some more Aalto




Curutchet House




Aldo van Eyck